1, slowdown
ridge arch adoption especially the dint is high and strong
to bear to press the rubber manufacturing, can bear 30 ton
pressures

2, the convex slot grain that surface exclusively design can
insure rainy day and antiskid effect of snow days

3, the high only 50 MM decelerates the machine road arch and
cans be provided as vehicle to decelerate to 5-15 kilometers/
hours

4, the eligibility chooses to add the bore road arch, use for
the ducting the diameter 20 MM of fixed combination support
tube, to make decelerate to take whole hard straight, also
ability valid protection electricity